Question Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). Example: Input: S = “ADOBECODEBANC”, T = “ABC” Output: “BANC” Note: If there is no such window in S that covers all characters in Read more…
SDK man is an awesome tool to install dependencies in Spring boot applications. I found it pretty useful for installing and uninstalling groovy and scala. Refer this link for more such commands To find out sdk man version one is using $sdk version Get help $sdk help List all things Read more…
Here is a self note to how to tar ball and untar ball a file. To compress a directory use the following syntax: # tar -zcvf archive_name.tar.gz directory_to_compress To decompress an archive use the following syntax: # tar -zxvf archive_name.tar.gz
Here are few of the spring boot,maven and gradle commands I find pretty useful. They are mostly used for building jars and running them. Package into Jar $spring jar myapp.jar app.grovy To see contents of jar $jar tf my-app.jar Run Jar $java -jar myapp.jar Building with Gradle $ gradle Read more…
Here is my shortcut list for some of the chef commands. Not all of these work in AWS opsworks. Generating cookbooks named apache chef generate cookbook cookbooks/apache Generating recipes named server.rb chef generate recipe cookbooks/apache/ server Check syntax of recipe chef exec ruby -c cookbooks/apache/recipes/server.rb Run Recipe Read more…
For installing jenkins on Ubuntu 14.04 using Java RPM do the following steps. Step 1: Download java tar ball file from http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html Step 2: Scp the files from your local machine to your server Step 3: Install java sudo tar xvzf jdk-8u5-linux-i586.tar.gz -C /usr/java Step 4: Setup java. I downloaded Read more…
Why this debate. SRE and DevOps have truly changed the way traditionally operations have been done. One thing all the prominent bloggers, tech leaders, and enthusiasts agree that SRE is not a glorified sysadmin. Read more here However many companies often try to post job descriptions with really confusing titles Read more…